Irc Attic Access

The florida building code fbc and international residential code irc both require a minimum of one attic access opening for homes with combustible such as wood roof construction if the attic space meets these two criteria.

Irc attic access.

R 38 shall be deemed to satisfy the requirement for r 49 wherever the full height of uncompressed r 38 insulation extends over the wall top plate at the eaves. There you ll see that an access opening is all that is specified not stairs. Buildings with combustible ceiling or roof construction shall have an attic access opening to atticareas that exceed 30 square feet 2 8 m2 and that have a vertical height of 30 inches 762 mm or greater over an area of not less than 30 square feet. 16 georgia is bringing back a requirement that was previously an amendment to the 2006 irc which will now require attics containing appliances to be accessible by pull down stairs or other permanent stairs.

Current international residential code irc 12 13 section r807 attic access. The 2015 irc requires r 49 insulation for ceilings with attic spaces. The rough framed opening. Pa302 1 ceilings with attic spaces n1102 2 1 r402 2 1.

Attic area exceeds 30 square feet and. The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. Attics containing appliances or mechanical equipment service shall be accessible by pull down stairs. Section r807 attic access r807 1 attic access.

Access doors from conditioned and doors access doors from conditioned spaces to unconditioned spaces g p e g attics and crawl spaces shall be weatherstripped and insulated to a level equivalent to the insulation on the surrounding surfaces. Wednesday july 4 2018. You will also see that for smaller attic areas no access is required whatsoever in my view some access to all such limited space areas is desirable to permit visual inspection for leaks or damage pest control etc. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8m squared and have a vertical height of 30 inches 762 mm or more.

Kind of confused about the above answers if there is mechanical equipment in attic of house 2003 irc section m1305 1 3 requires an opening that is large enough to allow removal of the largest appliance but not less than 30 inches high and 22 inches wide. R807 1 1 attic service access. However there is an exception. If no equipment then the basic requirement is 22 by 30 rough framed.

Minimum vertical height of 30 inches measured from the top of the ceiling framing members to the bottom of the roof framing members.